Detectionmediumexperimental

AWS EnableRegion Command Monitoring

Detects the use of the EnableRegion command in AWS CloudTrail logs. While AWS has 30+ regions, some of them are enabled by default, others must be explicitly enabled in each account separately. There may be situations where security monitoring does not cover some new AWS regions. Monitoring the EnableRegion command is important for identifying potential persistence mechanisms employed by adversaries, as enabling additional regions can facilitate continued access and operations within an AWS environment.

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Launch
Ivan Saakov, Sergey ZelenskiyCreated Sun Oct 19a5ffb6ea-c784-4e01-b30a-deb6e58ca2abcloud
Log Source
AWScloudtrail
ProductAWS← raw: aws
Servicecloudtrail← raw: cloudtrail
Detection Logic
Detection Logic1 selector
detection:
    selection:
        eventName: 'EnableRegion'
        eventSource: 'account.amazonaws.com'
    condition: selection
False Positives

Legitimate use of the EnableRegion command by authorized administrators.

MITRE ATT&CK
Rule Metadata
Rule ID
a5ffb6ea-c784-4e01-b30a-deb6e58ca2ab
Status
experimental
Level
medium
Type
Detection
Created
Sun Oct 19
Path
rules/cloud/aws/cloudtrail/aws_cloudtrail_region_enabled.yml
Raw Tags
attack.persistence
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